package com.zl_huang.example.service;

import java.io.InputStream;
import java.util.List;

import com.zl_huang.example.model.User;

public interface IUserService {
	public List<User> findAllUsers() throws Exception;
	
	public Integer createUser(User user) throws Exception;
	
	public User getUserById(String user_id)throws Exception;
	
	public Integer editUser(User user)throws Exception;
	
	public Integer deleteUser(String user_id)throws Exception;

	void saveStudentByExcel(InputStream inputStream, String postfix);

}
